About: http://webisa.webdatacommons.org/154255588

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	I would also add human error to the list, a person changing the outcome, e.g. by contaminating the sample or a spelling error while transcribing the result.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com